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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1970 | 2 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 5 |
| 1976 | 4 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 6 |
| 1981 | 7 |
| 1982 | 7 |
| 1983 | 8 |
| 1984 | 9 |
| 1985 | 19 |
| 1986 | 21 |
| 1987 | 27 |
| 1988 | 13 |
| 1989 | 16 |
| 1990 | 18 |
| 1991 | 26 |
| 1992 | 35 |
| 1993 | 30 |
| 1994 | 51 |
| 1995 | 62 |
| 1996 | 67 |
| 1997 | 60 |
| 1998 | 106 |
| 1999 | 114 |
| 2000 | 130 |
| 2001 | 163 |
| 2002 | 184 |
| 2003 | 211 |
| 2004 | 269 |
| 2005 | 456 |
| 2006 | 1043 |
| 2007 | 1988 |
| 2008 | 4497 |
| 2009 | 5275 |
| 2010 | 5463 |
| 2011 | 5568 |
| 2012 | 5658 |
| 2013 | 5328 |
| 2014 | 4832 |
| 2015 | 4158 |
| 2016 | 3936 |
| 2017 | 3651 |
| 2018 | 3540 |
| 2019 | 3352 |
| 2020 | 3325 |
| 2021 | 3248 |
| 2022 | 2887 |
| 2023 | 2967 |
| 2024 | 2540 |
| 2025 | 1204 |
| 2026 | 1 |